Literary usage of Kamerad

Below you will find example usage of this term as found in modern and/or classical literature:

1.Contributions to a Psychological Theory of Music by Max Friedrich Meyer (1901)"SILCHER, DER GUTE kamerad The melody starts with 3. The hearer of course—granted
that the melody is unknown to him—can not guess whether the pitch heard is ..."

2.Ambulancing on the French Front by Edward Royal Coyle (1918)"CHAPTER XVI "kamerad !" THE word kamerad has come to possess a significance not
at all in keeping with its original meaning. On the western front the French ..."